Use buf for proto generation

buf.gen.yaml

@@ -0,0 +1,14 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+version: v1
+plugins:
+  - plugin: go
+    out: .
+    opt:
+      - paths=source_relative
+  - plugin: go-grpc
+    out: .
+    opt:
+      - paths=source_relative
+

buf.yaml

@@ -0,0 +1,7 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+version: v1
+build:
+  excludes:
+    - examples/

examples/bidirectional/README.md

@@ -41,8 +41,6 @@ If you update the protocol buffers file, you can regenerate the file
 using the following command from this directory. You do not need to run
 this if you're just trying the example.
 
-For Go:
-
 ```sh
-$ protoc -I proto/ proto/kv.proto --go_out=plugins=grpc:proto/
+$ buf generate
 ```

examples/bidirectional/buf.gen.yaml

@@ -0,0 +1,14 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+version: v1
+plugins:
+  - plugin: go
+    out: .
+    opt:
+      - paths=source_relative
+  - plugin: go-grpc
+    out: .
+    opt:
+      - paths=source_relative
+

examples/bidirectional/buf.yaml

@@ -0,0 +1,4 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+version: v1